Leyva-Espinosa, Raquel Irene <br/><br/>
Habitat use and movements of greater white-fronted geese wintwring in Chihuahua, México 
Raquel Irene Leyva-Espinosa 
 - ix, 72 p  28 cm 
<br/><br/>Tesis(maestría), Iowa State University 
<br/><br/>Incluye: Bibliografía p.69-72 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología animal
<br/><br/><label>Dewey Class. No.: </label>T  / LEY 1993